Earth Pledge Green Roofs Initiative
Supporting the creation of green roofs upon New York City's flat rooftops. Includes rationale, research, projects, workshops, and resources.
EDC Magazine: Green Roofs: Stormwater Management From the Top Down
Article by Katrin Scholz-Barth of HOK discussing green roofs in an urban setting.
Green Roofs Cool City Rooftop Gardens in Chicago to Fight Smog, Heat
Why city officials are encouraging green roofs.
Green Roofs for Healthy Cities
Dedicated to creating a green roof marketplace in North America. Includes news, upcoming events, FAQ, projects, public policies, and research.
Greenroofs.com
Information about green roof architecture including history, advantages and issues, plant lists, markets in North America and Europe, case studies, events, and links.
National Geographic News: Plant-Covered Roofs Ease Urban Heat
The promotion of green roofs by city governments in Canada, Japan, and the United States.
Northwest EcoBuilding Guild: Green Roof Project
Developing the technology for wide-scale residential application in the Pacific Northwest. Includes photo gallery, plant list, soils, monitoring options, and links.